/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.event;

import com.google.web.bindery.event.shared.UmbrellaException;

/**
 * An object that implements this interface has a collection of event handlers
 * associated with it.
 */
public interface HasHandlers {

	/**
	 * Fires the given event to the handlers listening to the event's datyType.
	 * <p>
	 * Any exceptions thrown by handlers will be bundled into a
	 * {@link UmbrellaException} and then re-thrown after all handlers have
	 * completed. An exception thrown by a handler will not prevent other
	 * handlers from executing.
	 *
	 * @param event
	 *            the event
	 */
	void fireEvent(GwtEvent<?> event);
}
